package com.code.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.code.common.R;
import com.code.dto.DishDto;
import com.code.entity.Category;
import com.code.entity.Dish;
import com.code.entity.DishFlavor;
import com.code.service.CategoryService;
import com.code.service.DishFlavorService;
import com.code.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @author admin
 * 菜品管理
 */

@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增菜品
     * @param dishDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());
        try {
            dishService.saveWithFlavor(dishDto);
            return R.success("新增菜品成功");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 菜品信息分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        try {
            Page dishPage = dishService.dishPage(page, pageSize, name);
            return R.success(dishPage);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }


    /**
     * 根据id查询菜品信息和对应的口味信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    private R<DishDto> get(@PathVariable Long id) {
        try {
            DishDto dishDto = dishService.getByIdWithFlavor(id);
            return R.success(dishDto);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 修改菜品
     * @param dishDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());
        try {
            dishService.updateWithFlavor(dishDto);
            return R.success("修改菜品成功");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 张三
     * @param status
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> setStatus(@PathVariable Integer status, Long ids) {
        log.info(status.toString());
        log.info(ids.toString());
        LambdaUpdateWrapper<Dish> updateWrapper = new LambdaUpdateWrapper<>();
        if (status == 0) {
            updateWrapper.eq(Dish::getId, ids).set(Dish::getStatus, 0);
        } else {
            updateWrapper.eq(Dish::getId, ids).set(Dish::getStatus, 1);
        }
        dishService.update(null, updateWrapper);
        return R.success("操作成功");
    }
    //@PostMapping("/status/{status}")
    //public R<String> setStatus(@PathVariable Integer status, @RequestParam List<Long> ids) {
    //    log.info(status.toString());
    //    log.info(ids.toString());
    //    LambdaUpdateWrapper<Dish> updateWrapper = new LambdaUpdateWrapper<>();
    //    if (status == 0) {
    //        updateWrapper.eq( Dish::getId, ids).set(Dish::getStatus, 0);
    //    } else {
    //        updateWrapper.eq(Dish::getId, ids).set(Dish::getStatus, 1);
    //    }
    //    dishService.update(null, updateWrapper);
    //    return R.success("操作成功");
    //}

    /**
     * 根据条件查询对应的菜品数据
     * @param dish
     * @return
     */
    //@GetMapping("/list")
    //public R<List<Dish>> list(Dish dish) {
    //    // 构造查询条件
    //    LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
    //    queryWrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
    //    // 添加条件，查询状态为1（起售状态)的菜品
    //    queryWrapper.eq(Dish::getStatus, 1);
    //    // 添加排序条件
    //    queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
    //
    //    List<Dish> list = dishService.list(queryWrapper);
    //    return R.success(list);
    //}
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish) {
        // 构造查询条件
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
        // 添加条件，查询状态为1（起售状态)的菜品
        queryWrapper.eq(Dish::getStatus, 1);
        // 添加排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(queryWrapper);

        List<DishDto> dishDtoList = list.stream().map(item -> {
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item, dishDto);

            Long categoryId = item.getCategoryId(); // 分类id
            // 根据id来查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            // 当前菜品的id
            Long dishId = item.getId();

            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId, dishId);
            List<DishFlavor> dishFlavorList = dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(dishFlavorList);
            return dishDto;
        }).collect(Collectors.toList());

        return R.success(dishDtoList);
    }
}
